Be6O8Sr2
Be6O8Sr2 is a stable, insulating oxide material composed of beryllium, oxygen, and strontium.
About Be6O8Sr2
Be6O8Sr2 is a complex oxide composed of beryllium, oxygen, and strontium. As a thermodynamically stable phase residing on the convex hull, it represents a robust crystalline arrangement that maintains structural integrity under standard conditions.
This material functions as a wide-band-gap insulator, a characteristic that makes it an interesting candidate for specialized dielectric applications. Its electronic profile is defined by a lack of free charge carriers, positioning it as a potential component in high-performance insulating layers.
Key Properties
Cross-validated computational properties for Be6O8Sr2, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for Be6O8Sr2, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| P-62c (No. 190) | hexagonal | 4.13 | 0.0000 | -7.200 | 3.64 |
| — | — | — | — | — | 2.91 |
| P-62c (No. 190) | — | — | — | — | — |
Frequently Asked Questions
Common questions about Be6O8Sr2, answered from cross-validated data.
What is Be6O8Sr2?
Be6O8Sr2 is a stable, insulating oxide material composed of beryllium, oxygen, and strontium.
What is the band gap of Be6O8Sr2?
Is Be6O8Sr2 a metal, semiconductor, or insulator?
Is Be6O8Sr2 thermodynamically stable?
What is the crystal structure of Be6O8Sr2?
What is the density of Be6O8Sr2?
How many polymorphs of Be6O8Sr2 are known?
What elements does Be6O8Sr2 contain?
Where does the data for Be6O8Sr2 come from?
How It Compares
As a unique oxide phase, Be6O8Sr2 occupies a distinct niche in the landscape of beryllium-strontium-oxygen compounds. Its stability on the convex hull distinguishes it as a preferred structural configuration compared to metastable alternatives, ensuring its relevance for fundamental research into complex oxide architectures.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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